Article(id=1195437525474001172, tenantId=1146029695717560320, journalId=1190306094246359042, issueId=1195437520126260033, articleNumber=null, orderNo=null, doi=10.19595/j.cnki.1000-6753.tces.240808, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1715702400000, receivedDateStr=2024-05-15, revisedDate=1719331200000, revisedDateStr=2024-06-26, acceptedDate=null, acceptedDateStr=null, onlineDate=1762944116228, onlineDateStr=2025-11-12, pubDate=1748102400000, pubDateStr=2025-05-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1762944116228, onlineIssueDateStr=2025-11-12, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1762944116228, creator=13701087609, updateTime=1762944116228, updator=13701087609, issue=Issue{id=1195437520126260033, tenantId=1146029695717560320, journalId=1190306094246359042, year='2025', volume='40', issue='10', pageStart='3013', pageEnd='3338', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1762944114953, creator=13701087609, updateTime=1764237254519, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1200861340710596791, tenantId=1146029695717560320, journalId=1190306094246359042, issueId=1195437520126260033, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1200861340710596792, tenantId=1146029695717560320, journalId=1190306094246359042, issueId=1195437520126260033, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=3097, endPage=3106, ext={EN=ArticleExt(id=1195437525767602457, articleId=1195437525474001172, tenantId=1146029695717560320, journalId=1190306094246359042, language=EN, title=Improved Loss Separation Model of Oriented Silicon Steel Sheets Considering the Influence of Stress, columnId=null, journalTitle=Transactions of China Electrotechnical Society, columnName=null, runingTitle=null, highlight=null, articleAbstract=
The magnetic properties and loss characteristics of oriented silicon steel sheets exhibit significant deviation under stress. The traditional loss separation model generally overlooks the impact of mechanical stress on the loss characteristics, resulting in calculation errors. In recent years, most studies on the loss characteristics of oriented silicon steel sheets under mechanical stress have focused on qualitative analysis, with only a few studies making quantitative improvements to the loss separation model. This paper develops an improved loss separation model based on the traditional loss separation model by introducing stress terms into the hysteresis loss and excess loss.
Firstly, measurements from a single sheet tester with unidirectional stressing are utilized to analyze the stress dependency of the loss characteristics of the oriented silicon steel sheets. The experimental results demonstrate a significant enhancement in loss under compressive stress while exhibiting a slight decreasing trend under tensile stress. The magnetization mechanism in ferromagnetism explains the variation of the loss characteristics under mechanical stress. Secondly, the hysteresis loss and excess loss under stress are calculated based on the Bertotti traditional loss separation model. Since the stress component is not introduced into the hysteresis loss in the traditional loss separation model, the effect of stress on the hysteresis loss is only reflected by the hysteresis loss coefficient, leading to a significant error in the calculation of the hysteresis loss under stress. Although the excess loss parameter ${{V}_{0}}$, currently expressed by a constant coefficient, embodies the effect of stress, it fails to capture the effect of the applied mechanical stress on the losses of each magnetic induction intensity. Consequently, computational inaccuracies arise when employing the Bertotti traditional loss separation model.
Based on the correlation between parameters ${{V}_{0}}$ in excess loss, hysteresis loss, and stress, the traditional separation formula for losses is improved by introducing stress components into the excess loss parameters ${{V}_{0}}$ and hysteresis loss. An improved loss separation model is established and verified by varying the frequency of excitation and the type of oriented silicon steel sheet. The results indicate that the improved loss separation model can accurately separate and calculate the losses of oriented silicon steel sheets under different stresses while maintaining a remarkable precision level.
Experimental measurement and calculation analysis are performed, and the conclusions are as follows. (1) The excess loss parameter ${{V}_{0}}$ is correlated with stress, and incorporating the stress component into the excess loss parameter can effectively mitigate the calculation error caused by stress in the traditional loss separation model. (2) An improved loss separation model is proposed based on the traditional mode by incorporating the excess loss and hysteresis loss into stress-related functions. (3) The improved loss separation model is confirmed through testing with different frequency excitations and oriented silicon steel sheets, demonstrating its ability to accurately separate losses under different stresses.
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传统的损耗分离模型未考虑机械应力对损耗特性的影响,当取向硅钢片受到沿轧制方向的拉应力或压应力时,传统损耗分离模型存在较大误差。该文对机械应力下取向硅钢片的损耗特性进行了实验研究,获得了工频正弦激励及低频激励下不同拉、压应力对取向硅钢片损耗构成的影响规律,并从磁化机理进行了分析。基于传统的损耗分离模型、应力下取向硅钢片的损耗特性,根据取向硅钢片的剩余损耗参数、磁滞能量损耗的应力相关性,给出一种考虑应力作用下剩余损耗和磁滞能量损耗的修正方法,得到计及机械应力作用下改进的取向硅钢片的损耗分离模型。应用该文改进后的损耗分离模型对不同激励、不同型号的取向硅钢片的损耗构成进行了计算分析和实验验证,结果表明,改进后损耗分离模型的计算结果与实验结果吻合,验证了所提方法的有效性和计算精度。
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1 Hebei Key Laboratory of Green and Efficient New Electrical Materials and Equipment North China Electric Power University Baoding 071003 China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1200881529581953145, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437525474001172, authorId=1200881529305129068, language=CN, stringName=李慧奇, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 华北电力大学河北省绿色高效电工新材料与设备重点实验室 保定 071003, bio={"content":"
李慧奇 男,1970年生,博士,教授,研究方向为电工理论与新技术。E-mail: huiqili@263.net
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李慧奇 男,1970年生,博士,教授,研究方向为电工理论与新技术。E-mail: huiqili@263.net
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2 State Key Laboratory of Advanced Power Transmission Technology China Electric Power Research Institute Co. Ltd Beijing 100192 China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1200881530559226041, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437525474001172, authorId=1200881530282401957, language=CN, stringName=马光, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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Magnetostriction measurement system, figureFileSmall=81QXGaqRM6ATcaVus9wIbg==, figureFileBig=dGuHwNpSJ91gM3o/OMbfrw==, tableContent=null), ArticleFig(id=1200881534468317623, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437525474001172, language=CN, label=图1, caption=
磁致伸缩测量系统, figureFileSmall=81QXGaqRM6ATcaVus9wIbg==, figureFileBig=dGuHwNpSJ91gM3o/OMbfrw==, tableContent=null), ArticleFig(id=1200881534732558795, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437525474001172, language=EN, label=Fig.2, caption=
Schematic diagram of a single sheet tester for magnetic property, figureFileSmall=AZ4SS7QDjDiScPn8lGTHEg==, figureFileBig=UCMJ3xi1/UVRGFvsOCnKIg==, tableContent=null), ArticleFig(id=1200881534875165142, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437525474001172, language=CN, label=图2, caption=
单片磁测量装置示意图, figureFileSmall=AZ4SS7QDjDiScPn8lGTHEg==, figureFileBig=UCMJ3xi1/UVRGFvsOCnKIg==, tableContent=null), ArticleFig(id=1200881534967439837, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437525474001172, language=EN, label=Fig.3, caption=
Total loss ratios under different stresses, figureFileSmall=8wi0r9LOpHvHKZS0M9+2OQ==, figureFileBig=xCpk/q3x1wS32qFKlP9OdQ==, tableContent=null), ArticleFig(id=1200881535110046185, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437525474001172, language=CN, label=图3, caption=
不同应力下的比总损耗, figureFileSmall=8wi0r9LOpHvHKZS0M9+2OQ==, figureFileBig=xCpk/q3x1wS32qFKlP9OdQ==, tableContent=null), ArticleFig(id=1200881535227486710, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437525474001172, language=EN, label=Fig.4, caption=
Variation curves of hysteresis loss and excess loss with respect to stress, figureFileSmall=lLD6Seuw17psdOrZyiJy+g==, figureFileBig=xfcPk43ArK/J0DPOeMFheQ==, tableContent=null), ArticleFig(id=1200881536389308926, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437525474001172, language=CN, label=图4, caption=
磁滞损耗和剩余损耗随应力的变化曲线, figureFileSmall=lLD6Seuw17psdOrZyiJy+g==, figureFileBig=xfcPk43ArK/J0DPOeMFheQ==, tableContent=null), ArticleFig(id=1200881536565469712, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437525474001172, language=EN, label=Fig.5, caption=
Variation curves of excess loss parameter V0 with respect to stress, figureFileSmall=Ot5NZDG8RH280oZQD/xcMA==, figureFileBig=Kva2GARbgwI/RmAquCCndw==, tableContent=null), ArticleFig(id=1200881536720658970, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437525474001172, language=CN, label=图5, caption=
剩余损耗参数V0随应力的变化曲线, figureFileSmall=Ot5NZDG8RH280oZQD/xcMA==, figureFileBig=Kva2GARbgwI/RmAquCCndw==, tableContent=null), ArticleFig(id=1200881536980705824, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437525474001172, language=EN, label=Fig.6, caption=
Curves of Wh and We varying with stress, figureFileSmall=URxlVhJLMFUFUmaRU7k/7g==, figureFileBig=mr85jN4fhZzfJbF3AzwL8Q==, tableContent=null), ArticleFig(id=1200881537140089387, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437525474001172, language=CN, label=图6, caption=
Wh及We随应力的变化曲线, figureFileSmall=URxlVhJLMFUFUmaRU7k/7g==, figureFileBig=mr85jN4fhZzfJbF3AzwL8Q==, tableContent=null), ArticleFig(id=1200881537249141298, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437525474001172, language=EN, label=Fig.7, caption=
Seperation results of excess loss and hysteresis loss, figureFileSmall=scSOj/s/bNYrbuE9I7rjkw==, figureFileBig=rSNhHXbaLGdpp5UGWlEHFA==, tableContent=null), ArticleFig(id=1200881537370776118, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437525474001172, language=CN, label=图7, caption=
磁滞损耗及剩余损耗的分离结果, figureFileSmall=scSOj/s/bNYrbuE9I7rjkw==, figureFileBig=rSNhHXbaLGdpp5UGWlEHFA==, tableContent=null), ArticleFig(id=1200881537622434375, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437525474001172, language=EN, label=Fig.8, caption=
Results of measured and calculated losses at different frequencies, figureFileSmall=ixq8EcKH/ClKQtOkRstb0A==, figureFileBig=lbeF6nwBDwZGtcaMXxzylA==, tableContent=null), ArticleFig(id=1200881537819566675, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437525474001172, language=CN, label=图8, caption=
不同频率下损耗测量值与计算值, figureFileSmall=ixq8EcKH/ClKQtOkRstb0A==, figureFileBig=lbeF6nwBDwZGtcaMXxzylA==, tableContent=null), ArticleFig(id=1200881537953784409, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437525474001172, language=EN, label=Fig.9, caption=
Measurements and calculation results of losses for different types of silicon steel sheets, figureFileSmall=swpa+f7yIsBxgf3mr3Vg0Q==, figureFileBig=pFxdlIgMZkyFNQNU/kqUVw==, tableContent=null), ArticleFig(id=1200881538092196448, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437525474001172, language=CN, label=图9, caption=
不同型号取向硅钢片的损耗测量值与计算值, figureFileSmall=swpa+f7yIsBxgf3mr3Vg0Q==, figureFileBig=pFxdlIgMZkyFNQNU/kqUVw==, tableContent=null), ArticleFig(id=1200881538238997098, tenantId=1146029695717560320, journalId=1190306094246359042, articleId=1195437525474001172, language=EN, label=Tab.1, caption=
Calculation values and errors of hysteresis loss at different frequencies
, figureFileSmall=null, figureFileBig=null, tableContent=
频率/ Hz | 测量值/ (W/kg) | Bertotti损耗模型 | | 改进损耗模型 |
计算值/ (W/kg) | 相对 误差(%) | | 计算值/ (W/kg) | 相对 误差(%) |
| 16.67 | 0.201 | 0.231 | 15.038 | | 0.205 | 1.881 |
| 20 | 0.241 | 0.289 | 19.788 | | 0.246 | 2.294 |
| 25 | 0.301 | 0.367 | 21.753 | | 0.308 | 2.293 |
| 50 | 0.603 | 0.809 | 34.201 | | 0.616 | 2.293 |
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不同频率下磁滞损耗的计算值及误差
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频率/ Hz | 测量值/ (W/kg) | Bertotti损耗模型 | | 改进损耗模型 |
计算值/ (W/kg) | 相对 误差(%) | | 计算值/ (W/kg) | 相对 误差(%) |
| 16.67 | 0.201 | 0.231 | 15.038 | | 0.205 | 1.881 |
| 20 | 0.241 | 0.289 | 19.788 | | 0.246 | 2.294 |
| 25 | 0.301 | 0.367 | 21.753 | | 0.308 | 2.293 |
| 50 | 0.603 | 0.809 | 34.201 | | 0.616 | 2.293 |
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Calculation values and errors of excess loss at different frequencies
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频率/ Hz | 测量值/ (W/kg) | Bertotti损耗模型 | | 改进损耗模型 |
计算值/ (W/kg) | 相对 误差(%) | | 计算值/ (W/kg) | 相对 误差(%) |
| 16.67 | 0.139 | 0.119 | -14.569 | | 0.140 | 0.879 |
| 20 | 0.180 | 0.146 | -19.096 | | 0.182 | 0.936 |
| 25 | 0.246 | 0.210 | -14.740 | | 0.248 | 0.974 |
| 50 | 0.670 | 0.463 | -30.785 | | 0.669 | -0.024 |
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不同频率下剩余损耗的计算值及误差
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频率/ Hz | 测量值/ (W/kg) | Bertotti损耗模型 | | 改进损耗模型 |
计算值/ (W/kg) | 相对 误差(%) | | 计算值/ (W/kg) | 相对 误差(%) |
| 16.67 | 0.139 | 0.119 | -14.569 | | 0.140 | 0.879 |
| 20 | 0.180 | 0.146 | -19.096 | | 0.182 | 0.936 |
| 25 | 0.246 | 0.210 | -14.740 | | 0.248 | 0.974 |
| 50 | 0.670 | 0.463 | -30.785 | | 0.669 | -0.024 |
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Calculation error of losses for different types of silicon steel sheets
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样片厚度/ mm | 测量值/ (W/kg) | Bertotti损耗模型 | | 改进损耗模型 |
计算值/ (W/kg) | 相对 误差(%) | | 计算值/ (W/kg) | 相对 误差(%) |
| 0.27 | 1.416 | 1.143 | -19.226 | | 1.440 | 1.711 |
| 0.23 | 1.339 | 1.026 | -23.359 | | 1.345 | 0.421 |
| 0.18 | 0.965 | 0.750 | -22.321 | | 0.964 | -0.132 |
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不同型号取向硅钢片的损耗计算值及误差
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样片厚度/ mm | 测量值/ (W/kg) | Bertotti损耗模型 | | 改进损耗模型 |
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| 0.27 | 1.416 | 1.143 | -19.226 | | 1.440 | 1.711 |
| 0.23 | 1.339 | 1.026 | -23.359 | | 1.345 | 0.421 |
| 0.18 | 0.965 | 0.750 | -22.321 | | 0.964 | -0.132 |
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